Home / 127,352.35-175,691.73-79,522.66

Finding the Fourth Proportional to 127,352.35, 175,691.73 and 79,522.66

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Solution

The fourth proportional to 127,352.35, 175,691.73 and 79,522.66 is: 109,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,352.35 : 175,691.73 = 79,522.66 : x
  2. Step 2: Convert to fraction form
    127,352.35/175,691.73 = 79,522.66/x
  3. Step 3: Cross multiply
    127,352.35x = 175,691.73 × 79,522.66
  4. Step 4: Simplify right side
    127,352.35x = 13,971,473,709.60
  5. Step 5: Solve for x
    x = 13,971,473,709.60/127,352.35
  6. Step 6: Final answer
    x = 109,707.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.